V4L/DVB (7905): check_v4l2 should return -EINVAL on error

check_v4l2 always returns 0, so this change is an noop for now,
but a comment says it will return something else in the future

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 1a91174..0d12ace 100644 (file)
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -792,7 +792,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
        case VIDIOCSAUDIO:
                if (check_mode(t, "VIDIOCSAUDIO") == -EINVAL)
                        return 0;
-               if (check_v4l2(t) == EINVAL)
+               if (check_v4l2(t) == -EINVAL)
                        return 0;
 
                /* Should be implemented, since bttv calls it */
@@ -810,7 +810,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
                        };
                        struct video_channel *vc = arg;
 
-                       if (check_v4l2(t) == EINVAL)
+                       if (check_v4l2(t) == -EINVAL)
                                return 0;
 
                        if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==-EINVAL)
@@ -829,7 +829,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
 
                        if (check_mode(t, "VIDIOCSFREQ") == -EINVAL)
                                return 0;
-                       if (check_v4l2(t) == EINVAL)
+                       if (check_v4l2(t) == -EINVAL)
                                return 0;
 
                        set_freq(client, *v);
@@ -841,7 +841,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
 
                        if (check_mode(t, "VIDIOCGTUNER") == -EINVAL)
                                return 0;
-                       if (check_v4l2(t) == EINVAL)
+                       if (check_v4l2(t) == -EINVAL)
                                return 0;
 
                        if (V4L2_TUNER_RADIO == t->mode) {
@@ -885,7 +885,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
 
                        if (check_mode(t, "VIDIOCGAUDIO") == -EINVAL)
                                return 0;
-                       if (check_v4l2(t) == EINVAL)
+                       if (check_v4l2(t) == -EINVAL)
                                return 0;
 
                        if (V4L2_TUNER_RADIO == t->mode) {